43 Merge workbooks

11:36:38 Load MergeBook1 from Xlsx file
11:36:38 Read Xlsx format from /var/www/milashki-shop.ru/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook1.xlsx in 0.0561 seconds
11:36:38 Load MergeBook2 from Xlsx file
11:36:38 Read Xlsx format from /var/www/milashki-shop.ru/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook2.xlsx in 0.0065 seconds
11:36:38 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0068 seconds
11:36:38 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0145 seconds
11:36:38 Peak memory usage: 10.25MB